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Finding the Fourth Proportional to 8,995.32, 13,474.38 and 8,339.16

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Solution

The fourth proportional to 8,995.32, 13,474.38 and 8,339.16 is: 12,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.32 : 13,474.38 = 8,339.16 : x
  2. Step 2: Convert to fraction form
    8,995.32/13,474.38 = 8,339.16/x
  3. Step 3: Cross multiply
    8,995.32x = 13,474.38 × 8,339.16
  4. Step 4: Simplify right side
    8,995.32x = 112,365,010.72
  5. Step 5: Solve for x
    x = 112,365,010.72/8,995.32
  6. Step 6: Final answer
    x = 12,491.50

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Half scale
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Double scale
Find fourth proportional to 8,996.32, 13,475.88 and 8,340.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.